Safebrowsing: change gethash caching to match api 2.3 rules, fix some corner cases.

chrome/browser/safe_browsing/protocol_parser_unittest.cc

Index: chrome/browser/safe_browsing/protocol_parser_unittest.cc
diff --git a/chrome/browser/safe_browsing/protocol_parser_unittest.cc b/chrome/browser/safe_browsing/protocol_parser_unittest.cc
index c20c4cea44c227380ee3c6f665fb52036547459d..87672e17571e5dee4d944f570818861f144f4bfa 100644
--- a/chrome/browser/safe_browsing/protocol_parser_unittest.cc
+++ b/chrome/browser/safe_browsing/protocol_parser_unittest.cc
@@ -489,7 +489,6 @@ TEST(SafeBrowsingProtocolParsingTest, TestGetHashWithUnknownList) {
   EXPECT_EQ(memcmp("12345678901234567890123456789012",
                    &full_hashes[0].hash, sizeof(SBFullHash)), 0);
   EXPECT_EQ(full_hashes[0].list_name, "goog-phish-shavar");
-  EXPECT_EQ(full_hashes[0].add_chunk_id, 1);
 
   hash_response += "goog-malware-shavar:7:32\n"
                    "abcdefghijklmnopqrstuvwxyz123457";
@@ -502,11 +501,9 @@ TEST(SafeBrowsingProtocolParsingTest, TestGetHashWithUnknownList) {
   EXPECT_EQ(memcmp("12345678901234567890123456789012",
                    &full_hashes[0].hash, sizeof(SBFullHash)), 0);
   EXPECT_EQ(full_hashes[0].list_name, "goog-phish-shavar");
-  EXPECT_EQ(full_hashes[0].add_chunk_id, 1);
   EXPECT_EQ(memcmp("abcdefghijklmnopqrstuvwxyz123457",
                    &full_hashes[1].hash, sizeof(SBFullHash)), 0);
   EXPECT_EQ(full_hashes[1].list_name, "goog-malware-shavar");
-  EXPECT_EQ(full_hashes[1].add_chunk_id, 7);
 }
 
 TEST(SafeBrowsingProtocolParsingTest, TestFormatHash) {